Usually ships within 3-5 business days
The Miller 252980 is a high-specification carriage bolt designed to meet the rigorous demands of industrial welding environments. As a genuine Original Equipment Manufacturer (OEM) component, this fastener is engineered to the exact tolerances required for Miller Electric welding machines. Utilizing non-standard or lower-grade hardware in sophisticated power equipment can lead to structural looseness, vibration issues, or premature failure of assembly points. This specific bolt features a 1/4-20 UNC thread pitch and a length of 1.750 inches, making it a precise fit for designated mounting points within the equipment chassis or external assembly.
Material quality is paramount in industrial fasteners. This bolt is manufactured from Grade 5 steel, a medium carbon steel that has been quenched and tempered. Grade 5 fasteners significantly outperform standard Grade 2 hardware in terms of tensile strength and yield strength. This ensures that the bolt can withstand the mechanical stresses, vibrations, and thermal cycles often associated with the operation of heavy-duty welding power sources and wire feeders. The structural integrity provided by Grade 5 steel is essential for maintaining the safety and longevity of the machine.
The bolt features a specialized black plating. This finish serves a dual purpose: it provides a layer of corrosion resistance against environmental factors such as humidity and shop fumes, and it maintains the aesthetic uniformity of Miller's black and blue equipment design. The carriage bolt design, characterized by its smooth, domed head and square neck section immediately beneath it, allows for self-locking when installed into a corresponding square hole. This feature is critical for assembly efficiency, allowing the nut to be tightened from one side without the need to hold the bolt head with a second tool.
| Additional Information |
|---|
| Brand:Miller |
| Packaging Description:1 Per Ea |
| Thread Size:1/4-20 UNC |
| Length:1.75 in |
| Material:Steel |
| Grade:Grade 5 |
| Head Style:Carriage |
| Finish:Black Plated |
